The Canadian dollar sank against the U.S. dollar early Monday, hitting a new 11-year low as investors capitulated amid a broad selloff in global markets.
These 80 species fall into two groups: baleen and toothed. A type of baleen whale, humpback whales reach up to 50 feet long. Talia Romito and Sophie Webb/Courtesy of NOAA. Called mysticetesâa word derived from the Greek for âmustacheâ and âwhalesââbaleen whales are toothless.
Animals & Nature. Baleen is a strong, yet flexible material made out of keratin, a protein that is the same material that makes up our hair and fingernails. It is used by whales to filter their prey from the sea water. Whales in the Suborder Mysticeti have several hundred plates of baleen hanging from their upper jaw.